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{| class="standard-table"|-
|class="header"|Result Type Defined Constant
|class="header"|Value
|class="header"|Description
|-
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|ANY_TYPE
|0
|A result set containing whatever type naturally results from evaluation of the expression. Note that if the result is a node-set then UNORDERED_NODE_ITERATOR_TYPE is always the resulting type.
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|NUMBER_TYPE
|1
|A result containing a single number. This is useful for example, in an XPath expression using the <code>count()</code> function.
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|STRING_TYPE
|2
|A result containing a single string.
|-
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|BOOLEAN_TYPE
|3
|A result containing a single boolean value. This is useful for example, in an XPath expression using the <code>not()</code> function.
|-
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|UNORDERED_NODE_ITERATOR_TYPE
|4
|A result node-set containing all the nodes matching the expression. The nodes may not necessarily be in the same order that they appear in the document.
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|ORDERED_NODE_ITERATOR_TYPE
|5
|A result node-set containing all the nodes matching the expression. The nodes in the result set are in the same order that they appear in the document.
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|UNORDERED_NODE_SNAPSHOT_TYPE
|6
|A result node-set containing snapshots of all the nodes matching the expression. The nodes may not necessarily be in the same order that they appear in the document.
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|ORDERED_NODE_SNAPSHOT_TYPE
|7
|A result node-set containing snapshots of all the nodes matching the expression. The nodes in the result set are in the same order that they appear in the document.
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|ANY_UNORDERED_NODE_TYPE
|8
|A result node-set containing any single node that matches the expression. The node is not necessarily the first node in the document that matches the expression.
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|FIRST_ORDERED_NODE_TYPE
|9
|A result node-set containing the first node in the document that matches the expression.
|-
|}
